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6e7b2160a4
freebsd-dev/sys
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John Polstra 6e7b2160a4 In bce_start_locked, check the used_tx_bd count rather than the 
descriptor's mbuf pointer to see if the transmit ring is full.  The
mbuf pointer is set only in the last descriptor of a
multi-descriptor packet.  By relying on the mbuf pointers of the
earlier descriptors, the driver would sometimes overwrite a
descriptor belonging to a packet that wasn't completed yet.  Also,
tx_chain_prod wasn't updated inside the loop, causing the wrong
descriptor to be checked after the first iteration.  The upshot of
all this was the loss of some transmitted packets at medium to high
packet rates.

In bce_tx_encap, remove a couple of old statements that shuffled
around the tx_mbuf_map pointers.  These now correspond 1-to-1 with
the transmit descriptors, and they are not supposed to be changed.

Correct a couple of inaccurate comments.

MFC after:	1 month
2006-11-16 04:04:07 +00:00
..
amd64 Various whitespace and style fixes. 2006-11-15 19:53:48 +00:00
arm Fix a comment. 2006-11-13 06:26:57 +00:00
boot Mfp4: Remove mci_device.c. It should have been removed when it was 2006-11-16 00:55:24 +00:00
bsm Merge OpenBSM 1.0 alpha 12 import changes into src/sys/bsm. New events 2006-09-25 12:22:07 +00:00
cam XPT_GET_TRAN_SETTINGS can fail- so check for an error and 2006-11-07 23:06:00 +00:00
coda change vop_lock handling to allowing tracking of callers' file and line for 2006-11-13 05:51:22 +00:00
compat Group pid and parent are shared in a case of CLONE_THREAD not CLONE_VM. 2006-11-15 11:04:37 +00:00
conf o Add uark(4), a driver for Arkmicro Technologies ARK3116 based serial 2006-11-15 09:13:25 +00:00
contrib Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
crypto Initialize T1 to silent gcc warning. 2006-10-22 02:19:33 +00:00
ddb Set up the context for the dbbe_trace callback in the ddb. Otherwise, 2006-11-06 11:10:57 +00:00
dev In bce_start_locked, check the used_tx_bd count rather than the 2006-11-16 04:04:07 +00:00
fs change vop_lock handling to allowing tracking of callers' file and line for 2006-11-13 05:51:22 +00:00
gdb
geom Fix ia64 build breakage. 2006-11-02 16:24:18 +00:00
gnu Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
i4b Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
i386 Various whitespace and style fixes. 2006-11-15 19:53:48 +00:00
ia64 Fix a comment. 2006-11-13 06:26:57 +00:00
isa Use calendaric calculation support from subr_clock.c instead of home-rolled. 2006-10-02 16:18:40 +00:00
isofs/cd9660 Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
kern Change sleepq_add(9) argument from 'struct mtx *' to 'struct lock_object *', 2006-11-16 01:02:00 +00:00
libkern Add strstr() function to the libkern. 2006-08-12 15:28:39 +00:00
modules o Add uark(4), a driver for Arkmicro Technologies ARK3116 based serial 2006-11-15 09:13:25 +00:00
net Teach an IPv6 to ppp(4). 2006-11-11 15:02:04 +00:00
net80211 Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
netatalk Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
netatm Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
netgraph Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
netinet Add SCTP as a known upper layer protocol over v6. 2006-11-13 19:07:32 +00:00
netinet6 -Fixes first of all the getcred on IPv6 and V4. The 2006-11-08 00:21:13 +00:00
netipsec Add priv.h include required to build FAST_IPSEC, which is not present in 2006-11-07 08:58:06 +00:00
netipx Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
netkey With exception of the if_name() macro, all definitions in net_osdep.h 2006-08-04 21:27:40 +00:00
netnatm Change semantics of socket close and detach. Add a new protocol switch 2006-07-21 17:11:15 +00:00
netncp Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
netsmb Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
nfs
nfs4client Fixes up the handling of shared vnode lock lookups in the NFS client, 2006-09-13 18:39:09 +00:00
nfsclient honor nolockd flag in root mount options 2006-11-07 18:02:45 +00:00
nfsserver Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
opencrypto
pc98 MFi386: revisions 1.634 and 1.639. 2006-11-09 08:03:37 +00:00
pccard
pci - Don't bother to include IDs of PCnet chips which are not supported 2006-11-07 19:44:41 +00:00
powerpc Make pmap_enter() responsible for setting PG_WRITEABLE instead 2006-11-12 21:48:34 +00:00
rpc
security Merge posix4/* into normal kernel hierarchy. 2006-11-11 16:26:58 +00:00
sparc64 Make pmap_enter() responsible for setting PG_WRITEABLE instead 2006-11-12 21:48:34 +00:00
sun4v Heavily re-factor tte_hash to remove redundant code 2006-11-15 06:29:52 +00:00
sys Change sleepq_add(9) argument from 'struct mtx *' to 'struct lock_object *', 2006-11-16 01:02:00 +00:00
tools
ufs change vop_lock handling to allowing tracking of callers' file and line for 2006-11-13 05:51:22 +00:00
vm There is no point in setting PG_REFERENCED on kmem_object pages because 2006-11-13 00:27:02 +00:00
Makefile Merge posix4/* into normal kernel hierarchy. 2006-11-11 16:26:58 +00:00